Merge Linus master into drm-next

The merge is clean, but the arm build fails afterwards,
due to API changes in the regulator tree.

I've included the patch into the merge to fix the build.

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 6 insertions, 76 deletions

diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index e679b7c9b160..005fdbe39a8b 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -12,7 +12,6 @@
 
 #include <linux/export.h>
 #include <linux/etherdevice.h>
-#include <linux/time.h>
 #include <net/mac80211.h>
 #include <asm/unaligned.h>
 #include "ieee80211_i.h"
@@ -515,73 +514,6 @@ static void ieee80211_report_used_skb(struct ieee80211_local *local,
 }
 
 /*
- * Measure Tx frame completion and removal time for Tx latency statistics
- * calculation. A single Tx frame latency should be measured from when it
- * is entering the Kernel until we receive Tx complete confirmation indication
- * and remove the skb.
- */
-static void ieee80211_tx_latency_end_msrmnt(struct ieee80211_local *local,
-					    struct sk_buff *skb,
-					    struct sta_info *sta,
-					    struct ieee80211_hdr *hdr)
-{
-	u32 msrmnt;
-	u16 tid;
-	u8 *qc;
-	int i, bin_range_count;
-	u32 *bin_ranges;
-	__le16 fc;
-	struct ieee80211_tx_latency_stat *tx_lat;
-	struct ieee80211_tx_latency_bin_ranges *tx_latency;
-	ktime_t skb_arv = skb->tstamp;
-
-	tx_latency = rcu_dereference(local->tx_latency);
-
-	/* assert Tx latency stats are enabled & frame arrived when enabled */
-	if (!tx_latency || !ktime_to_ns(skb_arv))
-		return;
-
-	fc = hdr->frame_control;
-
-	if (!ieee80211_is_data(fc)) /* make sure it is a data frame */
-		return;
-
-	/* get frame tid */
-	if (ieee80211_is_data_qos(hdr->frame_control)) {
-		qc = ieee80211_get_qos_ctl(hdr);
-		tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
-	} else {
-		tid = 0;
-	}
-
-	tx_lat = &sta->tx_lat[tid];
-
-	/* Calculate the latency */
-	msrmnt = ktime_to_ms(ktime_sub(ktime_get(), skb_arv));
-
-	if (tx_lat->max < msrmnt) /* update stats */
-		tx_lat->max = msrmnt;
-	tx_lat->counter++;
-	tx_lat->sum += msrmnt;
-
-	if (!tx_lat->bins) /* bins not activated */
-		return;
-
-	/* count how many Tx frames transmitted with the appropriate latency */
-	bin_range_count = tx_latency->n_ranges;
-	bin_ranges = tx_latency->ranges;
-
-	for (i = 0; i < bin_range_count; i++) {
-		if (msrmnt <= bin_ranges[i]) {
-			tx_lat->bins[i]++;
-			break;
-		}
-	}
-	if (i == bin_range_count) /* msrmnt is bigger than the biggest range */
-		tx_lat->bins[i]++;
-}
-
-/*
  * Use a static threshold for now, best value to be determined
  * by testing ...
  * Should it depend on:
@@ -722,7 +654,8 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 	struct ieee80211_supported_band *sband;
 	struct ieee80211_sub_if_data *sdata;
 	struct net_device *prev_dev = NULL;
-	struct sta_info *sta, *tmp;
+	struct sta_info *sta;
+	struct rhash_head *tmp;
 	int retry_count;
 	int rates_idx;
 	bool send_to_cooked;
@@ -731,6 +664,7 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 	int rtap_len;
 	int shift = 0;
 	int tid = IEEE80211_NUM_TIDS;
+	const struct bucket_table *tbl;
 
 	rates_idx = ieee80211_tx_get_rates(hw, info, &retry_count);
 
@@ -739,7 +673,9 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 	sband = local->hw.wiphy->bands[info->band];
 	fc = hdr->frame_control;
 
-	for_each_sta_info(local, hdr->addr1, sta, tmp) {
+	tbl = rht_dereference_rcu(local->sta_hash.tbl, &local->sta_hash);
+
+	for_each_sta_info(local, tbl, hdr->addr1, sta, tmp) {
 		/* skip wrong virtual interface */
 		if (!ether_addr_equal(hdr->addr2, sta->sdata->vif.addr))
 			continue;
@@ -853,12 +789,6 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb)
 
 		if (acked)
 			sta->last_ack_signal = info->status.ack_signal;
-
-		/*
-		 * Measure frame removal for tx latency
-		 * statistics calculation
-		 */
-		ieee80211_tx_latency_end_msrmnt(local, skb, sta, hdr);
 	}
 
 	rcu_read_unlock();